move requests to beforeEach to avoid repitition
move requests to beforeEach to avoid repitition

the supertest requests for testing the web server were scattered accross
the test cases while repeating the same code over and over again. creating
the supertest request is now part of the beforeEach block of the tests.
the supertest request is enriched with each level of beforeEach

mlenkeit/animated-octo-sansa,mlenkeit/animated-octo-sansa